Corrections and Clarifications


Science  13 Apr 1984:
Vol. 224, Issue 4645, pp. 110
DOI: 10.1126/science.224.4645.110-e


In the letter "Nuclear test yields" by Jack F. Evernden and Lynn R. Sykes (17 Feb., p. 642), the symbol for surface wave magnitudes was incorrectly given as mb in line 39 of the second column of page 644. The correct symbol is ms.